5G base‑station cabinets, server enclosures and communication control devices are assembled with multiple sheet‑metal parts. Cumulative dimensional tolerances are generated during stamping, laser cutting and bending. Hole misalignment frequently causes difficult bolt fitting. Forced tightening results in thread stripping and low production yield. Floating press‑in nuts are specially developed to solve such pain points.
Conventional fixed press nuts are fully locked after pressing. Minor hole deviation will block bolt insertion. The inner threaded body of floating press nut allows limited lateral displacement after installation. It compensates hole offset within ±0.5 mm, absorbs sheet‑metal cumulative tolerance and enables smooth bolt engagement to reduce assembly jamming defects.
Carbon‑steel zinc‑plated and SUS304 stainless‑steel versions are widely available. Carbon‑steel floating nuts are cost‑effective for indoor server cabinets. SUS304 offers superior salt‑spray resistance for outdoor base‑station cabinets against moisture and rain. Main sizes range from M3 to M6, covering most connection points of communication equipment.
Floating press nuts adopt standard press‑fit base‑hole dimensions. Existing sheet‑metal holes, press‑in machines and tooling can be reused without major production‑line modification. Its pull‑out and torque‑out performance is comparable with standard press nuts while keeping thread‑compensation capability.
Procurement notes: Floating structure only handles small lateral offset, basic sheet‑metal tolerance still needs proper control. For heavy‑vibration scenarios, lock washers are recommended for long‑term reliability. For export communication projects, verify salt‑spray performance and require material & salt‑spray test reports.
With continuous construction of communication infrastructure, cabinets are developing toward thin‑wall and modular design. Floating press‑in nuts effectively relieve assembly issues caused by sheet‑metal tolerance. More equipment manufacturers add them into BOM lists, making them key fasteners for communication sheet‑metal projects.
Contact: Mr. Deng
Phone: 13928071304
Tel: 0756-8586520
Email: lizhong@zhjiali.com
Add: 102, Building 4, No. 4 Fuyuan Road, Waisha Village, Shenwan Town, Zhongshan City, Guangdong Province,China